Inflorescence with a terminal flower and one bracteole subtending a lateral flower; for compound monochasium, in which the lateral part branches further.
An inflorescence type with a single terminal flower and a single lateral flower emerging from a bracteole. A compound monochasium, where the laterals branch further in the same fashion is called a cincinnus.
A cyme with the branches spirally arranged or alternate or with one more strongly developed than the others.